Husband's Inheritance

They had known each other for seven days and had been married for thirteen days. The total did not exceed twenty days. This love story between an old man and his young wife came to an abrupt end because of an accident. The rich husband left a legacy, which instantly doubled Wu Lanlan's worth, but it also brought her a lot of trouble. What secrets are hidden in her husband's past, and who is the strange man who ran out of the basement? Conception: